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C21000 Brass vs. CC494K Bronze

Both C21000 brass and CC494K bronze are copper alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C21000 brass and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 2.9 to 50
7.6
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 43
39
Tensile Strength: Ultimate (UTS), MPa 240 to 450
210
Tensile Strength: Yield (Proof), MPa 69 to 440
94

Thermal Properties

Latent Heat of Fusion, J/g 200
180
Maximum Temperature: Mechanical, °C 190
160
Melting Completion (Liquidus), °C 1070
970
Melting Onset (Solidus), °C 1050
890
Specific Heat Capacity, J/kg-K 390
360
Thermal Conductivity, W/m-K 230
63
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
16
Electrical Conductivity: Equal Weight (Specific), % IACS 57
16

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.8
9.1
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 42
50
Embodied Water, L/kg 310
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 100
13
Resilience: Unit (Modulus of Resilience), kJ/m3 21 to 830
43
Stiffness to Weight: Axial, points 7.2
6.4
Stiffness to Weight: Bending, points 18
17
Strength to Weight: Axial, points 7.4 to 14
6.5
Strength to Weight: Bending, points 9.6 to 15
8.8
Thermal Diffusivity, mm2/s 69
19
Thermal Shock Resistance, points 8.1 to 15
7.8

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 94 to 96
78 to 87
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.030
8.0 to 10
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 3.7 to 6.0
0 to 2.0
Residuals, % 0 to 0.2
0